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单词 eutherian
释义

eutherian


eu·ther·i·an

E0244900 (yo͞o-thîr′ē-ən)n. Any of various mammals of the infraclass Eutheria, including all of the species, such as primates, carnivores, whales, ruminants, bats, and rodents, in which the female bears live young that are nourished before birth by means of a complex placenta. Also called placental mammal.
[From New Latin Euthēria, infraclass name : Greek eu-, eu- + Greek thēria, pl. of thērion, wild animal; see treacle.]
eu·ther′i·an adj.

eutherian

(juːˈθɪərɪən) adj (Zoology) of, relating to, or belonging to the Eutheria, a subclass of mammals all of which have a placenta and reach an advanced state of development before birth. The group includes all mammals except monotremes and marsupialsn (Zoology) any eutherian mammal[C19: from New Latin Euthēria, from Greek eu- + thēria, plural of thērion beast]

eu•the•ri•an

(yuˈθɪər i ən)

adj. 1. belonging or pertaining to the group Eutheria, comprising the placental mammals. n. 2. a eutherian animal. [1875–80; < New Latin Eutheri(a) (< Greek eu- eu- + thēría, pl. of thēríon wild beast) + -an1]
Thesaurus
Noun1.eutherian - mammals having a placentaeutherian - mammals having a placenta; all mammals except monotremes and marsupialseutherian mammal, placental, placental mammalmammal, mammalian - any warm-blooded vertebrate having the skin more or less covered with hair; young are born alive except for the small subclass of monotremes and nourished with milkEutheria, subclass Eutheria - all mammals except monotremes and marsupialsfarm animal, livestock, stock - any animals kept for use or profitbull - mature male of various mammals of which the female is called `cow'; e.g. whales or elephants or especially cattlecow - mature female of mammals of which the male is called `bull'yearling - an animal in its second yearbuck - mature male of various mammals (especially deer or antelope)doe - mature female of mammals of which the male is called `buck'insectivore - small insect-eating mainly nocturnal terrestrial or fossorial mammalsaquatic mammal - whales and dolphins; manatees and dugongs; walruses; sealscarnivore - a terrestrial or aquatic flesh-eating mammal; "terrestrial carnivores have four or five clawed digits on each limb"Fissipedia - in some classifications considered a suborder of Carnivoraaardvark, Orycteropus afer, ant bear, anteater - nocturnal burrowing mammal of the grasslands of Africa that feeds on termites; sole extant representative of the order Tubulidentatabat, chiropteran - nocturnal mouselike mammal with forelimbs modified to form membranous wings and anatomical adaptations for echolocation by which they navigategnawing mammal, lagomorph - relative large gnawing animals; distinguished from rodents by having two pairs of upper incisors specialized for gnawinggnawer, rodent - relatively small placental mammals having a single pair of constantly growing incisor teeth specialized for gnawingUngulata - in former classifications a major division of Mammalia comprising all hoofed mammals; now divided into the orders Perissodactyla (odd-toed ungulates) and Artiodactyla (even-toed ungulates)hoofed mammal, ungulate - any of a number of mammals with hooves that are superficially similar but not necessarily closely related taxonomicallyUnguiculata - in former classifications a major division of Mammalia comprising mammals with nails or claws; distinguished from hoofed mammals and cetaceansunguiculate, unguiculate mammal - a mammal having nails or clawscony, das, dassie, hyrax, coney - any of several small ungulate mammals of Africa and Asia with rodent-like incisors and feet with hooflike toespachyderm - any of various nonruminant hoofed mammals having very thick skin: elephant; rhinoceros; hippopotamusedentate - primitive terrestrial mammal with few if any teeth; of tropical Central America and South Americaanteater, pangolin, scaly anteater - toothless mammal of southern Africa and Asia having a body covered with horny scales and a long snout for feeding on ants and termitesprimate - any placental mammal of the order Primates; has good eyesight and flexible hands and feettree shrew - insectivorous arboreal mammal of southeast Asia that resembles a squirrel with large eyes and long sharp snoutcolugo, flying cat, flying lemur - arboreal nocturnal mammal of southeast Asia and the Philippines resembling a lemur and having a fold of skin on each side from neck to tail that is used for long gliding leapsproboscidean, proboscidian - massive herbivorous mammals having tusks and a long trunkplantigrade, plantigrade mammal - an animal that walks with the entire sole of the foot touching the ground as e.g. bears and human beingsdigitigrade, digitigrade mammal - an animal that walks so that only the toes touch the ground as e.g. dogs and cats and horses
Adj.1.eutherian - of or relating to or belonging to the subclass Eutheria; "eutherian mammals"
EncyclopediaSeeEutheria

eutherian


eutherian

(yo͞o-thîr′ē-ən)n. Any of various mammals of the infraclass Eutheria, including all of the species, such as primates, carnivores, whales, ruminants, bats, and rodents, in which the female bears live young that are nourished before birth by means of a complex placenta. Also called placental mammal.
eu·ther′i·an adj.

eutherian

any placental mammal of the subclass Eutheria, characterized by the embryo developing in the uterus of the female where it obtains food and exchanges gases through the attached PLACENTA.

eutherian


Related to eutherian: metatherian
  • noun

Synonyms for eutherian

noun mammals having a placenta

Synonyms

  • eutherian mammal
  • placental
  • placental mammal

Related Words

  • mammal
  • mammalian
  • Eutheria
  • subclass Eutheria
  • farm animal
  • livestock
  • stock
  • bull
  • cow
  • yearling
  • buck
  • doe
  • insectivore
  • aquatic mammal
  • carnivore
  • Fissipedia
  • aardvark
  • Orycteropus afer
  • ant bear
  • anteater
  • bat
  • chiropteran
  • gnawing mammal
  • lagomorph
  • gnawer
  • rodent
  • Ungulata
  • hoofed mammal
  • ungulate
  • Unguiculata
  • unguiculate
  • unguiculate mammal
  • cony
  • das
  • dassie
  • hyrax
  • coney
  • pachyderm
  • edentate
  • pangolin
  • scaly anteater
  • primate
  • tree shrew
  • colugo
  • flying cat
  • flying lemur
  • proboscidean
  • proboscidian
  • plantigrade
  • plantigrade mammal
  • digitigrade
  • digitigrade mammal
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